This refactoring work includes tests.
Note 1: old charm is in ro-k8s folder.
Note 2: relation-departed is currently not tested because there is
no function to remove a relation in the Testing Harness.
There is currently one issue open and the Charmcraft team
should provide feedback soon.
Change-Id: Ia97de802aec2c4e10a1d2c86ba2515d3f17f55af
Signed-off-by: sousaedu <eduardo.sousa@canonical.com>
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+venv
+.vscode
+build
+ro.charm
+.coverage
+.stestr
+cover
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+---
+extends: default
+
+yaml-files:
+ - "*.yaml"
+ - "*.yml"
+ - ".yamllint"
+ignore: |
+ .tox
+ build/
+ mod/
+ lib/
--- /dev/null
+<!-- Copyright 2020 Canonical Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may
+not use this file except in compliance with the License. You may obtain
+a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+License for the specific language governing permissions and limitations
+under the License.
+
+For those usages not covered by the Apache License, Version 2.0 please
+contact: legal@canonical.com
+
+To get in touch with the maintainers, please contact:
+osm-charmers@lists.launchpad.net -->
+
+# RO operator Charm for Kubernetes
+
+## Requirements
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+options:
+ enable_ng_ro:
+ description: Enable NG-RO
+ type: boolean
+ default: true
+ database_commonkey:
+ description: Database COMMON KEY
+ type: string
+ default: osm
+ log_level:
+ description: "Log Level"
+ type: string
+ default: "INFO"
+ vim_database:
+ type: string
+ description: "The database name."
+ default: "mano_vim_db"
+ ro_database:
+ type: string
+ description: "The database name."
+ default: "mano_db"
+ openmano_tenant:
+ type: string
+ description: "Openmano Tenant"
+ default: "osm"
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+name: ro
+summary: OSM Resource Orchestrator (RO)
+description: |
+ A CAAS charm to deploy OSM's Resource Orchestrator (RO).
+series:
+ - kubernetes
+tags:
+ - kubernetes
+ - osm
+ - ro
+min-juju-version: 2.8.0
+deployment:
+ type: stateless
+ service: cluster
+resources:
+ image:
+ type: oci-image
+ description: OSM docker image for RO
+ upstream-source: "opensourcemano/ro:8"
+provides:
+ ro:
+ interface: osm-ro
+requires:
+ kafka:
+ interface: kafka
+ mongodb:
+ interface: mongodb
+ mysql:
+ interface: mysql
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+ops
+git+https://github.com/juju-solutions/resource-oci-image/@c5778285d332edf3d9a538f9d0c06154b7ec1b0b#egg=oci-image
--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+import logging
+from typing import Dict, List, NoReturn
+
+from ops.charm import CharmBase
+from ops.framework import EventBase, StoredState
+from ops.main import main
+from ops.model import ActiveStatus, Application, BlockedStatus, MaintenanceStatus, Unit
+from oci_image import OCIImageResource, OCIImageResourceError
+
+from pod_spec import make_pod_spec
+
+logger = logging.getLogger(__name__)
+
+RO_PORT = 9090
+
+
+class RelationsMissing(Exception):
+ def __init__(self, missing_relations: List):
+ self.message = ""
+ if missing_relations and isinstance(missing_relations, list):
+ self.message += f'Waiting for {", ".join(missing_relations)} relation'
+ if "," in self.message:
+ self.message += "s"
+
+
+class RelationDefinition:
+ def __init__(self, relation_name: str, keys: List, source_type):
+ if source_type != Application and source_type != Unit:
+ raise TypeError(
+ "source_type should be ops.model.Application or ops.model.Unit"
+ )
+ self.relation_name = relation_name
+ self.keys = keys
+ self.source_type = source_type
+
+
+def check_missing_relation_data(
+ data: Dict,
+ expected_relations_data: List[RelationDefinition],
+):
+ missing_relations = []
+ for relation_data in expected_relations_data:
+ if not all(
+ f"{relation_data.relation_name}_{k}" in data for k in relation_data.keys
+ ):
+ missing_relations.append(relation_data.relation_name)
+ if missing_relations:
+ raise RelationsMissing(missing_relations)
+
+
+def get_relation_data(
+ charm: CharmBase,
+ relation_data: RelationDefinition,
+) -> Dict:
+ data = {}
+ relation = charm.model.get_relation(relation_data.relation_name)
+ if relation:
+ self_app_unit = (
+ charm.app if relation_data.source_type == Application else charm.unit
+ )
+ expected_type = relation_data.source_type
+ for app_unit in relation.data:
+ if app_unit != self_app_unit and isinstance(app_unit, expected_type):
+ if all(k in relation.data[app_unit] for k in relation_data.keys):
+ for k in relation_data.keys:
+ data[f"{relation_data.relation_name}_{k}"] = relation.data[
+ app_unit
+ ].get(k)
+ break
+ return data
+
+
+class RoCharm(CharmBase):
+ """RO Charm."""
+
+ state = StoredState()
+
+ def __init__(self, *args) -> NoReturn:
+ """RO Charm constructor."""
+ super().__init__(*args)
+
+ # Internal state initialization
+ self.state.set_default(pod_spec=None)
+
+ self.port = RO_PORT
+ self.image = OCIImageResource(self, "image")
+
+ # Registering regular events
+ self.framework.observe(self.on.start, self.configure_pod)
+ self.framework.observe(self.on.config_changed, self.configure_pod)
+
+ # Registering required relation events
+ self.framework.observe(self.on.kafka_relation_changed, self.configure_pod)
+ self.framework.observe(self.on.mongodb_relation_changed, self.configure_pod)
+ self.framework.observe(self.on.mysql_relation_changed, self.configure_pod)
+
+ # Registering required relation departed events
+ self.framework.observe(self.on.kafka_relation_departed, self.configure_pod)
+ self.framework.observe(self.on.mongodb_relation_departed, self.configure_pod)
+ self.framework.observe(self.on.mysql_relation_departed, self.configure_pod)
+
+ # Registering required relation broken events
+ self.framework.observe(self.on.kafka_relation_broken, self.configure_pod)
+ self.framework.observe(self.on.mongodb_relation_broken, self.configure_pod)
+ self.framework.observe(self.on.mysql_relation_broken, self.configure_pod)
+
+ # Registering provided relation events
+ self.framework.observe(self.on.ro_relation_joined, self._publish_ro_info)
+
+ def _publish_ro_info(self, event: EventBase) -> NoReturn:
+ """Publishes RO information.
+
+ Args:
+ event (EventBase): RO relation event.
+ """
+ if self.unit.is_leader():
+ rel_data = {
+ "host": self.model.app.name,
+ "port": str(RO_PORT),
+ }
+ for k, v in rel_data.items():
+ event.relation.data[self.app][k] = v
+
+ @property
+ def relations_requirements(self):
+ if self.model.config["enable_ng_ro"]:
+ return [
+ RelationDefinition("kafka", ["host", "port"], Unit),
+ RelationDefinition("mongodb", ["connection_string"], Unit),
+ ]
+ else:
+ return [
+ RelationDefinition(
+ "mysql", ["host", "port", "user", "password", "root_password"], Unit
+ )
+ ]
+
+ def get_relation_state(self):
+ relation_state = {}
+ for relation_requirements in self.relations_requirements:
+ data = get_relation_data(self, relation_requirements)
+ relation_state = {**relation_state, **data}
+ check_missing_relation_data(relation_state, self.relations_requirements)
+ return relation_state
+
+ def configure_pod(self, _=None) -> NoReturn:
+ """Assemble the pod spec and apply it, if possible.
+
+ Args:
+ event (EventBase): Hook or Relation event that started the
+ function.
+ """
+ if not self.unit.is_leader():
+ self.unit.status = ActiveStatus("ready")
+ return
+
+ relation_state = None
+ try:
+ relation_state = self.get_relation_state()
+ except RelationsMissing as exc:
+ logger.exception("Relation missing error")
+ self.unit.status = BlockedStatus(exc.message)
+ return
+
+ self.unit.status = MaintenanceStatus("Assembling pod spec")
+
+ # Fetch image information
+ try:
+ self.unit.status = MaintenanceStatus("Fetching image information")
+ image_info = self.image.fetch()
+ except OCIImageResourceError:
+ self.unit.status = BlockedStatus("Error fetching image information")
+ return
+
+ try:
+ pod_spec = make_pod_spec(
+ image_info,
+ self.model.config,
+ relation_state,
+ self.model.app.name,
+ self.port,
+ )
+ except ValueError as exc:
+ logger.exception("Config/Relation data validation error")
+ self.unit.status = BlockedStatus(str(exc))
+ return
+
+ if self.state.pod_spec != pod_spec:
+ self.model.pod.set_spec(pod_spec)
+ self.state.pod_spec = pod_spec
+
+ self.unit.status = ActiveStatus("ready")
+
+
+if __name__ == "__main__":
+ main(RoCharm)
--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+import logging
+from typing import Any, Dict, List, NoReturn
+
+logger = logging.getLogger(__name__)
+
+
+def _validate_data(
+ config_data: Dict[str, Any], relation_data: Dict[str, Any]
+) -> NoReturn:
+ """Validates passed information.
+
+ Args:
+ config_data (Dict[str, Any]): configuration information.
+ relation_data (Dict[str, Any]): relation information
+
+ Raises:
+ ValueError: when config and/or relation data is not valid.
+ """
+ config_validators = {
+ "enable_ng_ro": lambda value, _: isinstance(value, bool),
+ "database_commonkey": lambda value, values: (
+ isinstance(value, str) and len(value) > 0
+ )
+ if values.get("enable_ng_ro", True)
+ else True,
+ "log_level": lambda value, _: isinstance(value, str)
+ and value in ("INFO", "DEBUG"),
+ "vim_database": lambda value, values: (
+ isinstance(value, str) and len(value) > 0
+ )
+ if not values.get("enable_ng_ro", True)
+ else True,
+ "ro_database": lambda value, values: (isinstance(value, str) and len(value) > 0)
+ if not values.get("enable_ng_ro", True)
+ else True,
+ "openmano_tenant": lambda value, values: (
+ isinstance(value, str) and len(value) > 0
+ )
+ if not values.get("enable_ng_ro", True)
+ else True,
+ }
+ relation_validators = {
+ "kafka_host": lambda value, _: (isinstance(value, str) and len(value) > 0)
+ if config_data.get("enable_ng_ro", True)
+ else True,
+ "kafka_port": lambda value, _: (isinstance(value, int) and value > 0)
+ if config_data.get("enable_ng_ro", True)
+ else True,
+ "mongodb_connection_string": lambda value, _: (
+ isinstance(value, str) and value.startswith("mongodb://")
+ )
+ if config_data.get("enable_ng_ro", True)
+ else True,
+ "mysql_host": lambda value, _: (isinstance(value, str) and len(value) > 0)
+ if not config_data.get("enable_ng_ro", True)
+ else True,
+ "mysql_port": lambda value, _: (isinstance(value, int) and value > 0)
+ if not config_data.get("enable_ng_ro", True)
+ else True,
+ "mysql_user": lambda value, _: (isinstance(value, str) and len(value) > 0)
+ if not config_data.get("enable_ng_ro", True)
+ else True,
+ "mysql_password": lambda value, _: (isinstance(value, str) and len(value) > 0)
+ if not config_data.get("enable_ng_ro", True)
+ else True,
+ "mysql_root_password": lambda value, _: (
+ isinstance(value, str) and len(value) > 0
+ )
+ if not config_data.get("enable_ng_ro", True)
+ else True,
+ }
+ problems = []
+
+ for key, validator in config_validators.items():
+ valid = validator(config_data.get(key), config_data)
+
+ if not valid:
+ problems.append(key)
+
+ for key, validator in relation_validators.items():
+ valid = validator(relation_data.get(key), relation_data)
+
+ if not valid:
+ problems.append(key)
+
+ if len(problems) > 0:
+ raise ValueError("Errors found in: {}".format(", ".join(problems)))
+
+
+def _make_pod_ports(port: int) -> List[Dict[str, Any]]:
+ """Generate pod ports details.
+
+ Args:
+ port (int): port to expose.
+
+ Returns:
+ List[Dict[str, Any]]: pod port details.
+ """
+ return [{"name": "ro", "containerPort": port, "protocol": "TCP"}]
+
+
+def _make_pod_envconfig(
+ config: Dict[str, Any], relation_state: Dict[str, Any]
+) -> Dict[str, Any]:
+ """Generate pod environment configuration.
+
+ Args:
+ config (Dict[str, Any]): configuration information.
+ relation_state (Dict[str, Any]): relation state information.
+
+ Returns:
+ Dict[str, Any]: pod environment configuration.
+ """
+ envconfig = {
+ # General configuration
+ "OSMRO_LOG_LEVEL": config["log_level"],
+ }
+
+ if config.get("enable_ng_ro", True):
+ # Kafka configuration
+ envconfig["OSMRO_MESSAGE_DRIVER"] = "kafka"
+ envconfig["OSMRO_MESSAGE_HOST"] = relation_state["kafka_host"]
+ envconfig["OSMRO_MESSAGE_PORT"] = relation_state["kafka_port"]
+
+ # MongoDB configuration
+ envconfig["OSMRO_DATABASE_DRIVER"] = "mongo"
+ envconfig["OSMRO_DATABASE_URI"] = relation_state["mongodb_connection_string"]
+ envconfig["OSMRO_DATABASE_COMMONKEY"] = config["database_commonkey"]
+ else:
+ envconfig["RO_DB_HOST"] = relation_state["mysql_host"]
+ envconfig["RO_DB_OVIM_HOST"] = relation_state["mysql_host"]
+ envconfig["RO_DB_PORT"] = relation_state["mysql_port"]
+ envconfig["RO_DB_OVIM_PORT"] = relation_state["mysql_port"]
+ envconfig["RO_DB_USER"] = relation_state["mysql_user"]
+ envconfig["RO_DB_OVIM_USER"] = relation_state["mysql_user"]
+ envconfig["RO_DB_PASSWORD"] = relation_state["mysql_password"]
+ envconfig["RO_DB_OVIM_PASSWORD"] = relation_state["mysql_password"]
+ envconfig["RO_DB_ROOT_PASSWORD"] = relation_state["mysql_root_password"]
+ envconfig["RO_DB_OVIM_ROOT_PASSWORD"] = relation_state["mysql_root_password"]
+ envconfig["RO_DB_NAME"] = config["ro_database"]
+ envconfig["RO_DB_OVIM_NAME"] = config["vim_database"]
+ envconfig["OPENMANO_TENANT"] = config["openmano_tenant"]
+
+ return envconfig
+
+
+def _make_startup_probe() -> Dict[str, Any]:
+ """Generate startup probe.
+
+ Returns:
+ Dict[str, Any]: startup probe.
+ """
+ return {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ }
+
+
+def _make_readiness_probe(port: int) -> Dict[str, Any]:
+ """Generate readiness probe.
+
+ Args:
+ port (int): service port.
+
+ Returns:
+ Dict[str, Any]: readiness probe.
+ """
+ return {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ }
+
+
+def _make_liveness_probe(port: int) -> Dict[str, Any]:
+ """Generate liveness probe.
+
+ Args:
+ port (int): service port.
+
+ Returns:
+ Dict[str, Any]: liveness probe.
+ """
+ return {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ }
+
+
+def make_pod_spec(
+ image_info: Dict[str, str],
+ config: Dict[str, Any],
+ relation_state: Dict[str, Any],
+ app_name: str = "ro",
+ port: int = 9090,
+) -> Dict[str, Any]:
+ """Generate the pod spec information.
+
+ Args:
+ image_info (Dict[str, str]): Object provided by
+ OCIImageResource("image").fetch().
+ config (Dict[str, Any]): Configuration information.
+ relation_state (Dict[str, Any]): Relation state information.
+ app_name (str, optional): Application name. Defaults to "ro".
+ port (int, optional): Port for the container. Defaults to 9090.
+
+ Returns:
+ Dict[str, Any]: Pod spec dictionary for the charm.
+ """
+ if not image_info:
+ return None
+
+ _validate_data(config, relation_state)
+
+ ports = _make_pod_ports(port)
+ env_config = _make_pod_envconfig(config, relation_state)
+ startup_probe = _make_startup_probe()
+ readiness_probe = _make_readiness_probe(port)
+ liveness_probe = _make_liveness_probe(port)
+
+ return {
+ "version": 3,
+ "containers": [
+ {
+ "name": app_name,
+ "imageDetails": image_info,
+ "imagePullPolicy": "Always",
+ "ports": ports,
+ "envConfig": env_config,
+ "kubernetes": {
+ "startupProbe": startup_probe,
+ "readinessProbe": readiness_probe,
+ "livenessProbe": liveness_probe,
+ },
+ }
+ ],
+ "kubernetesResources": {
+ "ingressResources": [],
+ },
+ }
--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+"""Init mocking for unit tests."""
+
+import sys
+import mock
+
+sys.path.append("src")
+
+oci_image = mock.MagicMock()
+sys.modules["oci_image"] = oci_image
--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+from typing import NoReturn
+import unittest
+from ops.model import BlockedStatus
+
+from ops.testing import Harness
+
+from charm import RoCharm
+
+
+class TestCharm(unittest.TestCase):
+ """RO Charm unit tests."""
+
+ def setUp(self) -> NoReturn:
+ """Test setup"""
+ self.harness = Harness(RoCharm)
+ self.harness.set_leader(is_leader=True)
+ self.harness.begin()
+
+ def test_on_start_without_relations_ng_ro(self) -> NoReturn:
+ """Test installation without any relation."""
+ self.harness.charm.on.start.emit()
+
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ # Verifying status message
+ self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+ self.assertTrue(
+ self.harness.charm.unit.status.message.startswith("Waiting for ")
+ )
+ self.assertIn("kafka", self.harness.charm.unit.status.message)
+ self.assertIn("mongodb", self.harness.charm.unit.status.message)
+ self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+ def test_on_start_without_relations_no_ng_ro(self) -> NoReturn:
+ """Test installation without any relation."""
+ self.harness.update_config({"enable_ng_ro": False})
+
+ self.harness.charm.on.start.emit()
+
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ # Verifying status message
+ self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+ self.assertTrue(
+ self.harness.charm.unit.status.message.startswith("Waiting for ")
+ )
+ self.assertIn("mysql", self.harness.charm.unit.status.message)
+ self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+ def test_on_start_with_relations_ng_ro(self) -> NoReturn:
+ """Test deployment with NG-RO."""
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "ro",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "ro",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {
+ "OSMRO_LOG_LEVEL": "INFO",
+ "OSMRO_MESSAGE_DRIVER": "kafka",
+ "OSMRO_MESSAGE_HOST": "kafka",
+ "OSMRO_MESSAGE_PORT": 9090,
+ "OSMRO_DATABASE_DRIVER": "mongo",
+ "OSMRO_DATABASE_URI": "mongodb://mongo",
+ "OSMRO_DATABASE_COMMONKEY": "osm",
+ },
+ "kubernetes": {
+ "startupProbe": {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ },
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": 9090,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {"ingressResources": []},
+ }
+
+ self.harness.charm.on.start.emit()
+
+ # Initializing the kafka relation
+ relation_id = self.harness.add_relation("kafka", "kafka")
+ self.harness.add_relation_unit(relation_id, "kafka/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "kafka/0",
+ {
+ "host": "kafka",
+ "port": 9090,
+ },
+ )
+
+ # Initializing the mongodb relation
+ relation_id = self.harness.add_relation("mongodb", "mongodb")
+ self.harness.add_relation_unit(relation_id, "mongodb/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "mongodb/0",
+ {
+ "connection_string": "mongodb://mongo",
+ },
+ )
+
+ # Verifying status
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_on_start_with_relations_no_ng_ro(self) -> NoReturn:
+ """Test deployment with old RO."""
+ self.harness.update_config({"enable_ng_ro": False})
+
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "ro",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "ro",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {
+ "OSMRO_LOG_LEVEL": "INFO",
+ "RO_DB_HOST": "mysql",
+ "RO_DB_OVIM_HOST": "mysql",
+ "RO_DB_PORT": 3306,
+ "RO_DB_OVIM_PORT": 3306,
+ "RO_DB_USER": "mano",
+ "RO_DB_OVIM_USER": "mano",
+ "RO_DB_PASSWORD": "manopw",
+ "RO_DB_OVIM_PASSWORD": "manopw",
+ "RO_DB_ROOT_PASSWORD": "rootmanopw",
+ "RO_DB_OVIM_ROOT_PASSWORD": "rootmanopw",
+ "RO_DB_NAME": "mano_db",
+ "RO_DB_OVIM_NAME": "mano_vim_db",
+ "OPENMANO_TENANT": "osm",
+ },
+ "kubernetes": {
+ "startupProbe": {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ },
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": 9090,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {"ingressResources": []},
+ }
+
+ self.harness.charm.on.start.emit()
+
+ # Initializing the mysql relation
+ relation_id = self.harness.add_relation("mysql", "mysql")
+ self.harness.add_relation_unit(relation_id, "mysql/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "mysql/0",
+ {
+ "host": "mysql",
+ "port": 3306,
+ "user": "mano",
+ "password": "manopw",
+ "root_password": "rootmanopw",
+ },
+ )
+
+ # Verifying status
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_on_kafka_unit_relation_changed(self) -> NoReturn:
+ """Test to see if kafka relation is updated."""
+ self.harness.charm.on.start.emit()
+
+ relation_id = self.harness.add_relation("kafka", "kafka")
+ self.harness.add_relation_unit(relation_id, "kafka/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "kafka/0",
+ {
+ "host": "kafka",
+ "port": 9090,
+ },
+ )
+
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ # Verifying status message
+ self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+ self.assertTrue(
+ self.harness.charm.unit.status.message.startswith("Waiting for ")
+ )
+ self.assertIn("mongodb", self.harness.charm.unit.status.message)
+ self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+ def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
+ """Test to see if mongodb relation is updated."""
+ self.harness.charm.on.start.emit()
+
+ relation_id = self.harness.add_relation("mongodb", "mongodb")
+ self.harness.add_relation_unit(relation_id, "mongodb/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "mongodb/0",
+ {
+ "connection_string": "mongodb://mongo",
+ },
+ )
+
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ # Verifying status message
+ self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+ self.assertTrue(
+ self.harness.charm.unit.status.message.startswith("Waiting for ")
+ )
+ self.assertIn("kafka", self.harness.charm.unit.status.message)
+ self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
+
+ def test_on_mysql_unit_relation_changed(self) -> NoReturn:
+ """Test to see if mysql relation is updated."""
+ self.harness.charm.on.start.emit()
+
+ relation_id = self.harness.add_relation("mysql", "mysql")
+ self.harness.add_relation_unit(relation_id, "mysql/0")
+ self.harness.update_relation_data(
+ relation_id,
+ "mysql/0",
+ {
+ "host": "mysql",
+ "port": 3306,
+ "user": "mano",
+ "password": "manopw",
+ "root_password": "rootmanopw",
+ },
+ )
+
+ # Verifying status
+ self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ # Verifying status message
+ self.assertGreater(len(self.harness.charm.unit.status.message), 0)
+ self.assertTrue(
+ self.harness.charm.unit.status.message.startswith("Waiting for ")
+ )
+ self.assertIn("kafka", self.harness.charm.unit.status.message)
+ self.assertIn("mongodb", self.harness.charm.unit.status.message)
+ self.assertTrue(self.harness.charm.unit.status.message.endswith(" relations"))
+
+ def test_publish_ro_info(self) -> NoReturn:
+ """Test to see if ro relation is updated."""
+ expected_result = {
+ "host": "ro",
+ "port": "9090",
+ }
+
+ self.harness.charm.on.start.emit()
+
+ relation_id = self.harness.add_relation("ro", "lcm")
+ self.harness.add_relation_unit(relation_id, "lcm/0")
+ relation_data = self.harness.get_relation_data(relation_id, "ro")
+
+ self.assertDictEqual(expected_result, relation_data)
+
+
+if __name__ == "__main__":
+ unittest.main()
--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+from typing import NoReturn
+import unittest
+
+import pod_spec
+
+
+class TestPodSpec(unittest.TestCase):
+ """Pod spec unit tests."""
+
+ def test_make_pod_ports(self) -> NoReturn:
+ """Testing make pod ports."""
+ port = 9090
+
+ expected_result = [
+ {
+ "name": "ro",
+ "containerPort": port,
+ "protocol": "TCP",
+ }
+ ]
+
+ pod_ports = pod_spec._make_pod_ports(port)
+
+ self.assertListEqual(expected_result, pod_ports)
+
+ def test_make_pod_envconfig_ng_ro(self) -> NoReturn:
+ """Teting make pod envconfig."""
+ config = {
+ "enable_ng_ro": True,
+ "database_commonkey": "osm",
+ "log_level": "INFO",
+ }
+ relation_state = {
+ "kafka_host": "kafka",
+ "kafka_port": 9090,
+ "mongodb_connection_string": "mongodb://mongo",
+ }
+
+ expected_result = {
+ "OSMRO_LOG_LEVEL": config["log_level"],
+ "OSMRO_MESSAGE_DRIVER": "kafka",
+ "OSMRO_MESSAGE_HOST": relation_state["kafka_host"],
+ "OSMRO_MESSAGE_PORT": relation_state["kafka_port"],
+ "OSMRO_DATABASE_DRIVER": "mongo",
+ "OSMRO_DATABASE_URI": relation_state["mongodb_connection_string"],
+ "OSMRO_DATABASE_COMMONKEY": config["database_commonkey"],
+ }
+
+ pod_envconfig = pod_spec._make_pod_envconfig(config, relation_state)
+
+ self.assertDictEqual(expected_result, pod_envconfig)
+
+ def test_make_pod_envconfig_no_ng_ro(self) -> NoReturn:
+ """Teting make pod envconfig."""
+ config = {
+ "log_level": "INFO",
+ "enable_ng_ro": False,
+ "vim_database": "mano_vim_db",
+ "ro_database": "mano_db",
+ "openmano_tenant": "osm",
+ }
+ relation_state = {
+ "mysql_host": "mysql",
+ "mysql_port": 3306,
+ "mysql_user": "mano",
+ "mysql_password": "manopw",
+ "mysql_root_password": "rootmanopw",
+ }
+
+ expected_result = {
+ "OSMRO_LOG_LEVEL": config["log_level"],
+ "RO_DB_HOST": relation_state["mysql_host"],
+ "RO_DB_OVIM_HOST": relation_state["mysql_host"],
+ "RO_DB_PORT": relation_state["mysql_port"],
+ "RO_DB_OVIM_PORT": relation_state["mysql_port"],
+ "RO_DB_USER": relation_state["mysql_user"],
+ "RO_DB_OVIM_USER": relation_state["mysql_user"],
+ "RO_DB_PASSWORD": relation_state["mysql_password"],
+ "RO_DB_OVIM_PASSWORD": relation_state["mysql_password"],
+ "RO_DB_ROOT_PASSWORD": relation_state["mysql_root_password"],
+ "RO_DB_OVIM_ROOT_PASSWORD": relation_state["mysql_root_password"],
+ "RO_DB_NAME": config["ro_database"],
+ "RO_DB_OVIM_NAME": config["vim_database"],
+ "OPENMANO_TENANT": config["openmano_tenant"],
+ }
+
+ pod_envconfig = pod_spec._make_pod_envconfig(config, relation_state)
+
+ self.assertDictEqual(expected_result, pod_envconfig)
+
+ def test_make_startup_probe(self) -> NoReturn:
+ """Testing make startup probe."""
+ expected_result = {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ }
+
+ startup_probe = pod_spec._make_startup_probe()
+
+ self.assertDictEqual(expected_result, startup_probe)
+
+ def test_make_readiness_probe(self) -> NoReturn:
+ """Testing make readiness probe."""
+ port = 9090
+
+ expected_result = {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ }
+
+ readiness_probe = pod_spec._make_readiness_probe(port)
+
+ self.assertDictEqual(expected_result, readiness_probe)
+
+ def test_make_liveness_probe(self) -> NoReturn:
+ """Testing make liveness probe."""
+ port = 9090
+
+ expected_result = {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ }
+
+ liveness_probe = pod_spec._make_liveness_probe(port)
+
+ self.assertDictEqual(expected_result, liveness_probe)
+
+ def test_make_pod_spec_ng_ro(self) -> NoReturn:
+ """Testing make pod spec."""
+ image_info = {"upstream-source": "opensourcemano/ro:8"}
+ config = {
+ "database_commonkey": "osm",
+ "log_level": "INFO",
+ "enable_ng_ro": True,
+ }
+ relation_state = {
+ "kafka_host": "kafka",
+ "kafka_port": 9090,
+ "mongodb_connection_string": "mongodb://mongo",
+ }
+ app_name = "ro"
+ port = 9090
+
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": app_name,
+ "imageDetails": image_info,
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": app_name,
+ "containerPort": port,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {
+ "OSMRO_LOG_LEVEL": config["log_level"],
+ "OSMRO_MESSAGE_DRIVER": "kafka",
+ "OSMRO_MESSAGE_HOST": relation_state["kafka_host"],
+ "OSMRO_MESSAGE_PORT": relation_state["kafka_port"],
+ "OSMRO_DATABASE_DRIVER": "mongo",
+ "OSMRO_DATABASE_URI": relation_state[
+ "mongodb_connection_string"
+ ],
+ "OSMRO_DATABASE_COMMONKEY": config["database_commonkey"],
+ },
+ "kubernetes": {
+ "startupProbe": {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ },
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {"ingressResources": []},
+ }
+
+ spec = pod_spec.make_pod_spec(
+ image_info, config, relation_state, app_name, port
+ )
+
+ self.assertDictEqual(expected_result, spec)
+
+ def test_make_pod_spec_no_ng_ro(self) -> NoReturn:
+ """Testing make pod spec."""
+ image_info = {"upstream-source": "opensourcemano/ro:8"}
+ config = {
+ "log_level": "INFO",
+ "enable_ng_ro": False,
+ "vim_database": "mano_vim_db",
+ "ro_database": "mano_db",
+ "openmano_tenant": "osm",
+ }
+ relation_state = {
+ "mysql_host": "mysql",
+ "mysql_port": 3306,
+ "mysql_user": "mano",
+ "mysql_password": "manopw",
+ "mysql_root_password": "rootmanopw",
+ }
+ app_name = "ro"
+ port = 9090
+
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": app_name,
+ "imageDetails": image_info,
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": app_name,
+ "containerPort": port,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {
+ "OSMRO_LOG_LEVEL": config["log_level"],
+ "RO_DB_HOST": relation_state["mysql_host"],
+ "RO_DB_OVIM_HOST": relation_state["mysql_host"],
+ "RO_DB_PORT": relation_state["mysql_port"],
+ "RO_DB_OVIM_PORT": relation_state["mysql_port"],
+ "RO_DB_USER": relation_state["mysql_user"],
+ "RO_DB_OVIM_USER": relation_state["mysql_user"],
+ "RO_DB_PASSWORD": relation_state["mysql_password"],
+ "RO_DB_OVIM_PASSWORD": relation_state["mysql_password"],
+ "RO_DB_ROOT_PASSWORD": relation_state["mysql_root_password"],
+ "RO_DB_OVIM_ROOT_PASSWORD": relation_state[
+ "mysql_root_password"
+ ],
+ "RO_DB_NAME": config["ro_database"],
+ "RO_DB_OVIM_NAME": config["vim_database"],
+ "OPENMANO_TENANT": config["openmano_tenant"],
+ },
+ "kubernetes": {
+ "startupProbe": {
+ "exec": {"command": ["/usr/bin/pgrep", "python3"]},
+ "initialDelaySeconds": 60,
+ "timeoutSeconds": 5,
+ },
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/openmano/tenants",
+ "port": port,
+ },
+ "initialDelaySeconds": 600,
+ "periodSeconds": 10,
+ "timeoutSeconds": 5,
+ "successThreshold": 1,
+ "failureThreshold": 3,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {"ingressResources": []},
+ }
+
+ spec = pod_spec.make_pod_spec(
+ image_info, config, relation_state, app_name, port
+ )
+
+ self.assertDictEqual(expected_result, spec)
+
+ def test_make_pod_spec_without_image_info(self) -> NoReturn:
+ """Testing make pod spec without image_info."""
+ image_info = None
+ config = {
+ "enable_ng_ro": True,
+ "database_commonkey": "osm",
+ "log_level": "INFO",
+ }
+ relation_state = {
+ "kafka_host": "kafka",
+ "kafka_port": 9090,
+ "mongodb_connection_string": "mongodb://mongo",
+ }
+ app_name = "ro"
+ port = 9090
+
+ spec = pod_spec.make_pod_spec(
+ image_info, config, relation_state, app_name, port
+ )
+
+ self.assertIsNone(spec)
+
+ def test_make_pod_spec_without_config(self) -> NoReturn:
+ """Testing make pod spec without config."""
+ image_info = {"upstream-source": "opensourcemano/ro:8"}
+ config = {}
+ relation_state = {
+ "kafka_host": "kafka",
+ "kafka_port": 9090,
+ "mongodb_connection_string": "mongodb://mongo",
+ }
+ app_name = "ro"
+ port = 9090
+
+ with self.assertRaises(ValueError):
+ pod_spec.make_pod_spec(image_info, config, relation_state, app_name, port)
+
+ def test_make_pod_spec_without_relation_state(self) -> NoReturn:
+ """Testing make pod spec without relation_state."""
+ image_info = {"upstream-source": "opensourcemano/ro:8"}
+ config = {
+ "enable_ng_ro": True,
+ "database_commonkey": "osm",
+ "log_level": "INFO",
+ }
+ relation_state = {}
+ app_name = "ro"
+ port = 9090
+
+ with self.assertRaises(ValueError):
+ pod_spec.make_pod_spec(image_info, config, relation_state, app_name, port)
+
+
+if __name__ == "__main__":
+ unittest.main()
--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+[tox]
+skipsdist = True
+envlist = unit, lint
+sitepackages = False
+skip_missing_interpreters = False
+
+[testenv]
+basepython = python3
+setenv =
+ PYTHONHASHSEED=0
+ PYTHONPATH = {toxinidir}/src
+ CHARM_NAME = ro
+
+[testenv:build]
+passenv=HTTP_PROXY HTTPS_PROXY NO_PROXY
+whitelist_externals =
+ charmcraft
+ rm
+ unzip
+commands =
+ rm -rf release ro.charm
+ charmcraft build
+ unzip ro.charm -d release
+
+[testenv:unit]
+commands =
+ coverage erase
+ stestr run --slowest --test-path=./tests --top-dir=./
+ coverage combine
+ coverage html -d cover
+ coverage xml -o cover/coverage.xml
+ coverage report
+deps =
+ coverage
+ stestr
+ mock
+ ops
+setenv =
+ {[testenv]setenv}
+ PYTHON=coverage run
+
+[testenv:lint]
+deps =
+ black
+ yamllint
+ flake8
+commands =
+ black --check --diff . --exclude "build/|.tox/|mod/|lib/"
+ yamllint .
+ flake8 . --max-line-length=100 --ignore="E501,W503,W504,F722" --exclude "build/ .tox/ mod/ lib/"
+
+[coverage:run]
+branch = True
+concurrency = multiprocessing
+parallel = True
+source =
+ .
+omit =
+ .tox/*
+ tests/*